a = (1,2,3)
b = ('a','b','c')

print(list(zip(a,b)))

print('-'*50)
#列表变字典，使用enumerate
seasons = ['spring','summer','fall','winter']
list2 = list(enumerate(seasons))
print(list2)
dict1 = {}
for i in list2:
    dict1[i[1]] = i[0]

print(dict1)